X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fvsyscall.h;h=2874be9aef0ae7f19efec928c66a4bb0394e0311;hb=231897adf5ecd659b5e8eea5ff22da28ba539c15;hp=2a46ca720afca5fd6f5e5010698e8eea56748837;hpb=0f177f873975fe7ece64d334887e83e081d88dec;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/x86/include/asm/vsyscall.h b/arch/x86/include/asm/vsyscall.h
index 2a46ca720afc..2874be9aef0a 100644
--- a/arch/x86/include/asm/vsyscall.h
+++ b/arch/x86/include/asm/vsyscall.h
@@ -34,7 +34,7 @@ static inline unsigned int __getcpu(void)
 		native_read_tscp(&p);
 	} else {
 		/* Load per CPU data from GDT */
-		asm("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
+		asm volatile ("lsl %1,%0" : "=r" (p) : "r" (__PER_CPU_SEG));
 	}
 
 	return p;